Home / 20,458.02-30,687.74-5,668.06

Finding the Fourth Proportional to 20,458.02, 30,687.74 and 5,668.06

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Solution

The fourth proportional to 20,458.02, 30,687.74 and 5,668.06 is: 8,502.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458.02 : 30,687.74 = 5,668.06 : x
  2. Step 2: Convert to fraction form
    20,458.02/30,687.74 = 5,668.06/x
  3. Step 3: Cross multiply
    20,458.02x = 30,687.74 × 5,668.06
  4. Step 4: Simplify right side
    20,458.02x = 173,939,951.58
  5. Step 5: Solve for x
    x = 173,939,951.58/20,458.02
  6. Step 6: Final answer
    x = 8,502.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.